Packer
Proper Noun · Open Source
Definitions
A tool commonly used to automate the creation of machine images for different platforms and environments. In infrastructure culture, Packer is associated with reproducible image builds and reducing hand-maintained server templates.
In plain English: A tool for automating machine image creation.
Example: "They moved the base image process into Packer so security updates and environment tweaks could be rebuilt consistently instead of patched ad hoc on long-lived templates."